131100198 has 16 divisors (see below), whose sum is σ = 262609776. Its totient is φ = 43631840.

The previous prime is 131100197. The next prime is 131100199. The reversal of 131100198 is 891001131.

It is an interprime number because it is at equal distance from previous prime (131100197) and next prime (131100199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131100191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12813 + ... + 20648.

It is an arithmetic number, because the mean of its divisors is an integer number (16413111).

Almost surely, 2^131100198 is an apocalyptic number.

131100198 is an abundant number, since it is smaller than the sum of its proper divisors (131509578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131100198 is a wasteful number, since it uses less digits than its factorization.

131100198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34119.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 131100198 is about 11449.8994755413. The cubic root of 131100198 is about 508.0047610482.

The spelling of 131100198 in words is "one hundred thirty-one million, one hundred thousand, one hundred ninety-eight".